84160642 has 16 divisors (see below), whose sum is σ = 133850232. Its totient is φ = 39550720.

The previous prime is 84160627. The next prime is 84160667. The reversal of 84160642 is 24606148.

It can be written as a sum of positive squares in 4 ways, for example, as 79227801 + 4932841 = 8901^2 + 2221^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34908 + ... + 37240.

Almost surely, 2^84160642 is an apocalyptic number.

84160642 is a deficient number, since it is larger than the sum of its proper divisors (49689590).

84160642 is a wasteful number, since it uses less digits than its factorization.

84160642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 84160642 is about 9173.9109435398. The cubic root of 84160642 is about 438.2309166509.

The spelling of 84160642 in words is "eighty-four million, one hundred sixty thousand, six hundred forty-two".